Games like Grayland

Here are some great alternatives to Grayland by 1DER Entertainment :
Matching Bird: Family Story
Matching Bird: Family Story
★4.7
Alien Attack: Idle Arcade Game
Alien Attack: Idle Arcade Game
★4.2
Mist: RPG horror idle action
Mist: RPG horror idle action
★4.7
Xeno Alien Shooter: Space Game
Xeno Alien Shooter: Space Game
★4.2
Planet Rush
Planet Rush
★3.6
The Birdcage
The Birdcage
★4.6
Colorful Bird Fly:Perfect Sort
Colorful Bird Fly:Perfect Sort
★4.5
Bird Sort: Color Puzzle Game
Bird Sort: Color Puzzle Game
★3.9
Bird Puzzle - Color Game
Bird Puzzle - Color Game
★4.1
Space Hero: Invasion Shooter
Space Hero: Invasion Shooter
★3.7
Alien Escape
Alien Escape
★5.0
Rescue Patrol: Action games
Rescue Patrol: Action games
★4.7
Ultimate Bird Simulator
Ultimate Bird Simulator
★4.2
Find the Alien - Alien Game
Find the Alien - Alien Game
★4.7
Alien Shooter World
Alien Shooter World
★4.5
Space Invaders: Galaxy Shooter
Space Invaders: Galaxy Shooter
★4.3